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प्रश्न
Explain the following:
Polar covalent compounds conduct electricity?
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उत्तर
Polar covalent compounds conduct electricity because they form ions in their solutions and hence dissociate in water.
संबंधित प्रश्न
State the reason why carbon can neither form C4+ cations nor C4− anions but forms covalent compound.
Write the electron-dot structure for the following molecule.
Cl2
What type of chemical bonds are formed by carbon? Why?
What is diamond? Of what substance is diamond made?
State any two uses of graphite.
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Name a greenish-yellow gas which also bleaches.
Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.
